Manufacturing and physical properties of fire-retardant fibrous laminate thermal insulation |
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Authors: | Ching-Wen Lou Chin-Mei Lin Chao-Chiung Huang Chia-Chang Lin Jin-Mao Chen I-Ju Tsai |
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Institution: | 5. Center for General Education/Institute of Biomedical Engineering and Material Science, Central Taiwan University of Science and Technology, Taichung, Taiwan, R.O.C. 1. Department of Fashion Design, Ling Tung University, Taichung, Taiwan, R.O.C. 2. Department of Textiles and Clothing, Fu Jen Catholic University, Taichung, Taiwan, R.O.C. 3. Taiwan Police College, Taipei, Taiwan, R.O.C. 4. Laboratory of Fiber Application and Manufacturing, Graduated Institute of Textile Engineering, Feng Chia University, Taichung, Taiwan, R.O.C.
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Abstract: | In this study, fire-retardant polyester fibers (FRPFs), which are hollow and have a 3D-crimp shape, were processed using nonwoven
manufacturing technology to create fire-retardant fibrous material. The content of low-T
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fibers (10, 20, 30, 40, 50 %) and number of layers of loose nonwoven sheet (1, 2, 3, 4, 5 layers) were changed to determine
tensile strength and elongation, thermal conductivity, air permeability and the limiting oxygen index. The purposes of this
study are to develop a manufacturing procedure for convenient installation of thermal insulation material and improve the
application of fiber materials in thermal insulation. Experimental results demonstrate that, due to the loose nonwoven sheet
combined with needle punching nonwoven sheets, tensile strength FRPFs increased to 100 %. The contents of the polyester low-melting-temperature
fiber and the number of combined layers affected thermal conductivity results. In the test for the limit oxygen index, the
optimal sample was manufactured using 7.78 dtex FRPFs, 10 % PET low-melting-temperature fiber and 5 layers of loose nonwoven
sheet. The limit oxygen index is 35. |
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Keywords: | Nonwoven Fire-retardant Thermal insulation Thermal conductivity Layered structure |
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